Softball mask attachment



FIG. 1 is a front perspective view of the present invention;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof; and,

FIG. 5 is an environmental view thereof.

Portions shown in broken line are for illustrative purposes only and form no part of the claimed design. 

CLAIM The ornamental design for a softball mask attachment, as shown and described. 